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    <span class="xiaod">云课堂</span><b>111</b>一个教育机构
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<ul>
    <li>html</li>
    <li>css</li>
    <li>js</li>
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<table>
    <tr>
        <td>姓名</td>
        <td>性别</td>
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    <tr>
        <td>张三</td>
        <td>男</td>
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    前端 后端 测试课程
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